{"type":"firestarter.listing","listing":{"id":"lst_osCYIrhp","product_name":"Micro Gainz - Quad Pack of 1, 1.25, 2.5, & 3.75 LB Dumbbell Fractional Weight Plates","category":"Fractional Weight Plates","description":"\n\nFour weight increments in one pack: Includes 1 LB, 1.25 LB, 2.5 LB, and 3.75 LB plates -- 2 of each in the 8-plate set or 4 of each in the 16-plate set.\n\nClamp-on design fits most dumbbells: Internal spring delivers secure clamping power with riveted construction (no rubber bands or elastics).\n\nPrecision sintered steel: Plates accurate to +/- 20 grams with matte black coating and pressed-in logo and weight.\n\nTwo diameters for stacking flexibility: 2.5 LB and 3.75 LB plates are 6.25 inches; 1 LB and 1.25 LB plates are 4.25 inches.\n\nMade in the USA with patented clamping design: Deliver U.S. craftsmanship and original engineering to support long-term training.\n\n30-day money back guarantee: Ship back within 30 days of purchase for a full refund of the purchase price.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitled_design_-_2026-02-11T131825.446_f7357f27-3942-49b4-8393-38f096f8dffd.png?v=1780604968","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitled_design_-_2026-05-16T100218.711.png?v=1780604967","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/B0CJ8898M2-MG-Dumbell-Fractional-1lb-2P-4-Patented_7efaa3df-f488-4a24-8676-93a688f05691.jpg?v=1780604967","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/new2.5dbgraphic4_66106a5e-999f-44be-bcdf-1bad5e5df4a5.png?v=1780604967","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/B09G5WZXQS-MG-Dumbell-Fractional-1.25lb-4P-5-Details_fb719b4a-7650-4bff-b750-5146ba3fa98d.jpg?v=1780604967","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/B0CJ8898M2-MG-Dumbell-Fractional-1lb-2P-3-Specs_bd909682-21cc-4a5b-b04f-7b6b5d96db30.jpg?v=1780604967","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Build_strength_and_break_plateaus_with_7.5_LB_Dumbbell_Leaps_16.png?v=1780604967","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Build_strength_and_break_plateaus_with_7.5_LB_Dumbbell_Leaps_8.png?v=1780604967","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/B09G5WZXQS-MG-Dumbell-Fractional-1.25lb-4P-3-Specs_7fdfe240-1492-4864-95fc-63f8d7648350.jpg?v=1780604967","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/B09G5WZXQS-MG-Dumbell-Fractional-1.25lb-4P-6-More_4abdd8c5-98e8-4f47-b2a3-8e8f8d9b98d5.jpg?v=1780604967","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitled_design_-_2026-02-11T133811.152_4a609b50-33c3-4cc6-aad3-1d6ed651bdc2.png?v=1780604968","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitled_design_-_2026-05-16T110413.892.png?v=1780604967"],"price":207.99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-07-03T16:00:56.879Z"},"share_url":"https://firestarter.network/l/lst_osCYIrhp","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_osCYIrhp' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Micro Gainz - Quad Pack of 1, 1.25, 2.5, & 3.75 LB Dumbbell Fractional Weight Plates' and a budget_max comfortably above $207.99 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}